<#include "/inc/layout.ftl">

<@layout "颖颖专属">
    <#--<script src="/res/js/yy.js"></script>-->
    <#--<h1>我是狗砸我怕谁？？！！！！！！！！</h1>-->

    <canvas id = "canvas" style="background: #111;"></canvas>
    <style>
        *{padding: 0;margin: 0;}
        html{pverflow:hidden}
    </style>
    <script type="text/javascript">
        window.onload = function(){
            //获取画布对象
            var canvas = document.getElementById("canvas");
            //获取画布的上下文
            var context = canvas.getContext("2d");
            //获取浏览器屏幕的宽高
            var W = window.innerWidth;
            var H = window.innerHeight;
            //设置canvas宽高
            canvas.width = W;
            canvas.height = H;
            //每个文字的字体大小
            var fontSize = 16;
            //计算列
            var colunms = Math.floor(W/fontSize);
            //记录每列文字的y轴坐标
            var drops = [];
            //给每一个文字初始化一个起始点的位置
            for(var i = 0; i<colunms; i++){
                drops.push(0);
            }

            //运动的文字
            var str = "i love you";
            //4:fillText(str,x,y);原理就是去更改y的坐标位置
            //绘图的函数
            function draw(){
                context.fillStyle = "rgba(0,0,0,0.05)";
                context.fillRect(0,0,W,H);
                //给字体设置样式
                context.font = "700 "+fontSize +"px 微软雅黑";
                //给字体添加颜色
                context.fillStyle = "#00cc33";//可以rgb、hsl、标准色、十六制颜色
                //写入画布中
                for(var i = 0; i<colunms; i++){
                    var index = Math.floor(Math.random() * str.length);
                    var x = i*fontSize;
                    var y = drops[i] * fontSize;
                    context.fillText(str[index],x,y);
                    //如果改变时间，肯定就是改变每次他的起点
                    if(y >= canvas.height && Math.random() > 0.99){
                        drops[i] = 0;
                    }
                    drops[i]++;
                }
            }

            function randColoe(){
                var r = Math.floor(Math.random() * 256);
                var g = Math.floor(Math.random() * 256);
                var b = Math.floor(Math.random() * 256);
                return "rgb(" + r + "," + g + "," + b + ")";
            }

            draw();
            setInterval(draw,30);
        }
    </script>
</@layout>
